Filter
Top Products
xii
Cisco IOS XE Integrated Session Border Controller Configuration Guide for the Cisco ASR 1000 Series Aggregation Services Routers
OL-15421-01
Preface
Command syntax descriptions use the following conventions:
Nested sets of square brackets or braces indicate optional or required choices within optional or required
elements. For example:
Examples use the following conventions:
The following conventions are used to attract the attention of the reader:
Caution Means reader be careful. In this situation, you might do something that could result in equipment
damage or loss of data.
Note Means reader take note. Notes contain helpful suggestions or references to materials that may not be
contained in this manual.
Convention Description
bold Bold text indicates commands and keywords that you enter exactly as shown.
italics Italic text indicates arguments for which you supply values.
[x] Square brackets enclose an optional element (keyword or argument).
| A vertical line indicates a choice within an optional or required set of keywords
or arguments.
[x | y] Square brackets enclosing keywords or arguments separated by a vertical line
indicate an optional choice.
{x | y} Braces enclosing keywords or arguments separated by a vertical line indicate a
required choice.
Convention Description
[x {y | z}] Braces and a vertical line within square brackets indicate a required choice
within an optional element.
Convention Description
screen
Examples of information displayed on the screen are set in Courier font.
bold screen
Examples of text that you must enter are set in Courier bold font.
< > Angle brackets enclose text that is not printed to the screen, such as passwords.
! An exclamation point at the beginning of a line indicates a comment line. (Ex-
clamation points are also displayed by the Cisco IOS software for certain pro-
cesses.)
[ ] Square brackets enclose default responses to system prompts.